2009
Progressive colonization and restricted gene flow shape island-dependent population structure in Galápagos marine iguanas (Amblyrhynchus cristatus)
Steinfartz S, Glaberman S, Lanterbecq D, Russello M, Rosa S, Hanley T, Marquez C, Snell H, Snell H, Gentile G, Dell'Olmo G, Powell A, Caccone A. Progressive colonization and restricted gene flow shape island-dependent population structure in Galápagos marine iguanas (Amblyrhynchus cristatus). BMC Ecology And Evolution 2009, 9: 297. PMID: 20028547, PMCID: PMC2807874, DOI: 10.1186/1471-2148-9-297.Peer-Reviewed Original ResearchConceptsComplete mitochondrial control regionMarine iguanasGene flowPopulation structureMarine iguana populationsHistorical gene flowNuclear gene flowMicrosatellite genetic diversityStrong genetic differentiationMale-biased dispersalMitochondrial control regionRecent population expansionBayesian cluster analysisGalápagos marine iguanasHaplotype distribution patternsDistinct genetic clustersPast genetic studiesGenetic differentiationWestern islandsFST estimatesIguana populationsFounder eventsFST analysisDifferent inheritance patternsGenetic clusters
2007
Genetic Impact of a Severe El Niño Event on Galápagos Marine Iguanas (Amblyrhynchus cristatus)
Steinfartz S, Glaberman S, Lanterbecq D, Marquez C, Rassmann K, Caccone A. Genetic Impact of a Severe El Niño Event on Galápagos Marine Iguanas (Amblyrhynchus cristatus). PLOS ONE 2007, 2: e1285. PMID: 18074011, PMCID: PMC2110882, DOI: 10.1371/journal.pone.0001285.Peer-Reviewed Original ResearchConceptsMarine iguana populationsIguana populationsGenetic diversityGenetic impactNeutral genetic diversityMitochondrial DNA diversityEffective population sizeMitochondrial DNA variationGalápagos marine iguanasMicrosatellite allele frequenciesRange of organismsDynamics of ecosystemsMajority of islandsPotential biological consequencesDNA diversityGenetic bottleneckMicrosatellite dataDNA variationMarine iguanasMtDNA variationGenetic compositionSevere El Niño eventBiological consequencesPopulation sizeClimatic disturbances